If Apple billed you for a SuperGrok subscription and you want a refund, go to...
https://www.4shared.com/office/3rwv2w8_ge/pdf-73301-13539.html
If Apple billed you for a SuperGrok subscription and you want a refund, go to reportaproblem.apple.com and sign in with your Apple ID. Then, find your iOS Subscriptions section and select the SuperGrok purchase